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24 GPSMAP 620 and GPSMAP 640 Owner’s Manual
Marine Mode: Using the Dashboard
Marine Mode: Using the Dashboard
Use the Dashboard to view important data such as navigation and
trip information on one screen, without using the chart screens.
Using the Compass Screen
From the Home screen, touch Dashboard > Compass to view the
Compass screen.
Following a Direct Course or a Route Using the
Compass Screen
After you set a course using Go To, or create a route using
Route To, you can use the Compass screen to follow the course or
route.
You can view your current heading and the corrected course on the
Compass screen. When you are off course, the distance between
your current heading and the corrected course is called the Course
to Steer, and is shaded orange on the compass.
CAUTION
Just as on the Navigation chart, a direct course and a corrected
course may pass over land or shallow water. Use visual sightings
and steer to avoid land, shallow water, and other dangerous objects.
Current heading
Course to
Steer
Corrected
course
Following a Direct Course on the
Compass Screen
To follow a direct course on the Compass screen:
1. After you set a course, from the Home screen, touch
Dashboard > Compass.
2. Follow the orange corrected-course pointer and steer off course
to avoid land, shallow water, and other obstacles on the water.
3. When you are off course, turn toward the orange corrected-
course pointer to reduce the shaded orange Course to Steer
and continue to the next turn in the route or to your destination.